These tools quickly convert using a simple finger adjustment of two sliders-allowing you to use one tool for multiple jobs. Use for internal or external rings. Blue comfort grips. Made in the USA. No. 79582 has a 1/2" - 2" internal capacity and 3/8" - 2" external capacity. No. 160883 is a ratcheting snap-ring Pliers and has a 1-13/16" - 4" internal capacity and 1-1/2" - 4" external capacity. No. 160882 handles 1/8" - 4" snap rings.